Click here for a video tutorial
How to setup anonymous FTP access in Plesk.
This tutorial assumes that you have already logged in to Plesk.
Now let's learn how to enable anonymous FTP for a domain so that
our users can anonymously upload and download files through FTP.
For this, you'll need to set up a directory within the site and have a dedicated IP assigned to this domain.
This is the end of the tutorial. You now know how to enable and
disable Anonymous FTP access in Plesk. Remember that this feature is
only available with a dedicated IP address assigned to your domain.